Serves 4-6. Preheat oven to 400, place rack in center positon.
Place prepared Brussels Sprouts and shallots on a rimmed cookie sheet lined with parchment, and drizzle with olive oil, toss.
Use enough olive oil that all veggies are lightly glistening with oil.
Sprinkle with a few pinches of sea salt and several turns of freshly ground pepper. Toss.
Place in oven and roast for 25-30 minutes or until edges of sprouts and shallots are browned and centers are tender. (Note: differences in ovens, altitude etc can affect cooking time. Check often)
Take out of oven.
Place a large cast iron skillet on cooktop on medium heat. Add butter, ghee or coconut oil.
When melted add sliced apples.
Sauté for three minutes stirring occasionally.
Add hazelnuts and cook for 3-5 more minutes, stirring frequently.
When apples are soft add Brussels and shallots to pan.
Toss together and cook for two more minutes.
Taste and add more sea salt and pepper if needed. Serve!